3DR Radio not connecting

I upgraded 3DR Radio firmware recently (SiK 1.6) and now I can’t use the radios to connect to APM 2.5.
Here are the settings for both radios:

You might take a look at this wireless radio Discussion Forum discussion post: diydrones.com/forum/topics/3 … tial-setup
You might have to reinitialize the two radios to get them to work again.